"It seems there was another round of connectivity/reliability
problems at Skype this past weekend. From their own Heartbeat
Blog:
""Some of you who've just tried opening Payment In Client
window, making a call to Online number, making a purchase or using
any other service, may have noticed some difficulties to do so. You
may have received some error such as "Internal error" from the web
or "Check your connection" from the Skype Client"
"Of course, as always, the entry concludes with empty promises
to investigate and "share information".